Osmundsen, Petter; Asche, Frank; Tveteras, Ragnar - 2021
substantial price differences between gas from different export countries, and do prices move together? Time series of Norwegian …, Dutch and Russian gas export prices to Germany in 1990-1998 are examined. Cointegration tests show that the different border … prices for gas to Germany move proportionally over time, indicating an integrated gas market (the Law of One Price holds). We …